Home / 53,698.87-80,548.53-18,160.38

Finding the Fourth Proportional to 53,698.87, 80,548.53 and 18,160.38

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Solution

The fourth proportional to 53,698.87, 80,548.53 and 18,160.38 is: 27,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,698.87 : 80,548.53 = 18,160.38 : x
  2. Step 2: Convert to fraction form
    53,698.87/80,548.53 = 18,160.38/x
  3. Step 3: Cross multiply
    53,698.87x = 80,548.53 × 18,160.38
  4. Step 4: Simplify right side
    53,698.87x = 1,462,791,913.24
  5. Step 5: Solve for x
    x = 1,462,791,913.24/53,698.87
  6. Step 6: Final answer
    x = 27,240.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.